HomeTransmission > Transmission Hard PartsTC Remanufacturing BM55 Automatic Transmission Torque Converter
Part #: BM55

TC Remanufacturing BM55 Automatic Transmission Torque Converter

⚙️ 4 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Lincoln, Navigator
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Overview of TC Remanufacturing BM55 Torque Converter

The TC Remanufacturing BM55 automatic transmission torque converter is designed specifically for Lincoln Navigator models. Engineered with precise specifications, this torque converter ensures reliable performance and compatibility with your vehicle's transmission system.

  • Converter Diameter: 11.900 inches
  • Bolt Circle Diameter: 11.417 inches
  • Captive Clutch Type for improved torque transfer
  • Slotted / Stepped Hub Type for secure fitment
  • Mounting Plate with 4 Studs and 10mm x 1.0 Thread Size
  • Pilot Diameter: 1.375 inches and Pilot Length: 0.900 inches
  • 27 Spline Count for precise engagement
  • Medium - low stall speed for balanced performance
  • Ring Gear: Not included

Detailed Product Description

The BM55 torque converter from TC Remanufacturing is tailored for the Lincoln Navigator, providing a captive clutch design that enhances torque transfer efficiency. Its 11.900-inch diameter and 11.417-inch bolt circle ensure proper alignment and fitment within the transmission assembly. The slotted and stepped hub type offers a secure connection to the transmission input shaft, while the mounting plate with four studs and 10mm x 1.0 mounting threads facilitate straightforward installation. The pilot diameter and length (1.375 inches and 0.900 inches respectively) are engineered to match the Navigator’s transmission housing, ensuring stability and reducing vibration. With a 27 spline count, this torque converter engages precisely with the transmission, and its medium-low stall speed balances performance and drivability.

Compatible Vehicles and Applications

This automatic transmission torque converter is compatible with the Lincoln Navigator, making it suitable for owners seeking a direct replacement part that meets factory specifications. The BM55 part number corresponds to this specific fitment, ensuring compatibility and reliable operation within the Navigator’s transmission system.

  • Replaces worn or damaged torque converters in Lincoln Navigator models
  • Addresses slipping or shuddering during acceleration
  • Helps resolve overheating issues related to torque converter failure
  • Improves transmission engagement and shift quality
  • Restores proper stall speed for smoother vehicle operation

Installation Notes and Tips

When installing the TC Remanufacturing BM55 torque converter, ensure the mounting plate with four studs is properly aligned with the transmission housing. Verify that the 10mm x 1.0 mounting threads are clean and free of debris to avoid cross-threading. The slotted/stepped hub should slide smoothly onto the transmission input shaft without forcing. It is recommended to check the pilot diameter and length fitment to prevent misalignment. Proper torque specifications should be followed for all mounting bolts to maintain secure installation and prevent leaks.

Quality Assurance and Warranty

TC Remanufacturing provides this BM55 torque converter with quality standards that meet OEM specifications for the Lincoln Navigator. Each unit undergoes rigorous inspection to ensure dimensional accuracy and functional reliability. While specific warranty details may vary, TC Remanufacturing typically offers coverage against manufacturing defects. Consult product documentation or contact the manufacturer for exact warranty terms.

BrandTC Remanufacturing
Part NumberBM55
Bolt Circle11.417
Converter Diameter11.900
Converter TypeCaptive Clutch
Hub TypeSlotted / Stepped
Mounting Thread Size10mm x 1.0
Mounting TypeMounting Plate With 4 Studs
Pilot Diameter1.375
Pilot Length0.900
Ring GearNo
Spline Count27
StallMedium - Low

This part fits 4 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2008LincolnNavigator5.4LV8N/A
2007LincolnNavigator5.4LV8N/A
2006LincolnNavigator5.4LV8N/A
2005LincolnNavigator5.4LV8N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.